XML 39 R28.htm IDEA: XBRL DOCUMENT v2.4.0.8
Reclamation (Tables)
 9 Months Ended
Sep. 30, 2014
Asset Retirement Obligation Disclosure [Abstract]  
Asset Retirement Obligation
Changes to the Company’s asset retirement obligations (included in Reclamation) are as follows: 
In thousands
Nine months ended September 30,
 
2014
 
2013
Asset retirement obligation - Beginning
$
57,454

 
$
34,456

Accretion
4,205

 
2,277

Additions and changes in estimates
—

 
19,542

Settlements
(470
)
 
(502
)
Asset retirement obligation - Ending
$
61,189

 
$
55,773